frighten
Americanverb (used with object)
-
to make afraid or fearful; throw into a fright; terrify; scare.
- Synonyms:
- intimidate, dismay, startle, shock
-
to drive (usually followed by away, off, etc.) by scaring.
to frighten away pigeons from the roof.
verb (used without object)
verb
-
to cause fear in; terrify; scare
-
to drive or force to go (away, off, out, in, etc) by making afraid
Related Words
Frighten, alarm, scare, terrify, terrorize, appall all mean to arouse fear in people or animals. To frighten is to shock with sudden, startling, but usually short-lived fear, especially that arising from the apprehension of physical harm: to frighten someone by a sudden noise. To alarm is to arouse the feelings through the realization of some imminent or unexpected danger: to alarm someone by a scream. To scare is to frighten, often without the presence of real danger: Horror movies really scare me. To terrify is to strike with violent, overwhelming, or paralyzing fear: to terrify a city by lawless acts. To terrorize is to terrify in a general, continued, systematic manner, either wantonly or in order to gain control: His marauding armies terrorized the countryside. To appall is to overcome or confound by dread, dismay, shock, or horror: The suffering caused by the earthquake appalled him.
Other Word Forms
- frightenable adjective
- frightened adjective
- frightener noun
- frightening adjective
- frighteningly adverb
- nonfrightening adjective
- nonfrighteningly adverb
- overfrighten verb
- unfrightening adjective
Etymology
Origin of frighten
Explanation
To frighten is to make someone feel afraid. Your new look — pink hair, tattoos, and piercings — will probably frighten your grandparents. If horror movies and haunted houses frighten you, they scare you, and all it might take to frighten your skittish cat is the sound of the vacuum cleaner or coffee grinder. Frighten is the verb form of the noun fright. although originally the verb was also fright. The Old English source is fyrhtu, "fear, dread, trembling, or horrible sight."
Vocabulary lists containing frighten
Unit 1, Academic Vocabulary
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Terrify
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Terrify
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The risk of similar consequences might be enough to frighten off many providers.
From Slate • Feb. 21, 2026
But it does hint strongly at extraterrestrial visitors being revealed to humankind with a tagline: "If you found out we weren't alone, if someone showed you, proved it to you, would that frighten you?"
From BBC • Dec. 27, 2025
Sanctions still hurt the targeted country, but they no longer frighten the market, especially if loosely enforced.
From Barron's • Nov. 20, 2025
Aggie wants his dogs to not run over and frighten her little, not scary dog; he wants her to join her neighbors in giving him an easement to build a jogging path behind their houses.
From Los Angeles Times • Nov. 14, 2025
“There were so many times that I wanted to tell you the truth about my past, but I was afraid the truth would frighten you.”
From "The Wild Robot Escapes" by Peter Brown
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.